<?php
/**
 * Zend Framework
 *
 * LICENSE
 *
 * This source file is subject to the new BSD license that is bundled
 * with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://framework.zend.com/license/new-bsd
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@zend.com so we can send you a copy immediately.
 *
 * @category   Zend
 * @package    Zend_Tag
 * @subpackage Cloud
 * @copyright  Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 * @version    $Id: Cloud.php 16209 2009-06-21 19:20:34Z thomas $
 */

/**
 * Abstract class for cloud decorators
 *
 * @category  Zend
 * @package   Zend_Tag
 * @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
 * @license   http://framework.zend.com/license/new-bsd     New BSD License
 */
abstract class Zend_Tag_Cloud_Decorator_Cloud
{
	/**
	 * Option keys to skip when calling setOptions()
	 *
	 * @var array
	 */
	protected $_skipOptions = array(
        'options',
        'config',
	);

	/**
	 * Create a new cloud decorator with options
	 *
	 * @param mixed $options
	 */
	public function __construct($options = null)
	{
		if ($options instanceof Zend_Config) {
			$options = $options->toArray();
		}

		if (is_array($options)) {
			$this->setOptions($options);
		}
	}

	/**
	 * Set options from array
	 *
	 * @param  array $options Configuration for the decorator
	 * @return Zend_Tag_Cloud
	 */
	public function setOptions(array $options)
	{
		foreach ($options as $key => $value) {
			if (in_array(strtolower($key), $this->_skipOptions)) {
				continue;
			}

			$method = 'set' . $key;
			if (method_exists($this, $method)) {
				$this->$method($value);
			}
		}

		return $this;
	}

	/**
	 * Render a list of formatted tags
	 *
	 * @param  array $tags
	 * @return string
	 */
	abstract public function render(array $tags);
}
